Bob McConnell wrote: > These will be targeted emails for selected recipients, primarily in > the Security and Public Safety offices. But they will be sent via > public mail servers, so the content must be protected. The question is - to what extent? You can use TLS for server-to-server encryption, which is easy, but if you need person-to-person encryption, I think your best option is still S/MIME. > Knowing the first site where this would go for field trials, I suspect > most recipients are using some version of Microsoft Outlook. But other > sites down the road are likely to have different clients. That end is > completely outside of my control or influence. Use S/MIME. It's standard, and it's supported by e.g. both outlook and thunderbird. -- Per Jessen, Zürich (18.1°C) -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php